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1 | /* lt__alloc.c -- internal memory management interface |
2 | ||
3 | Copyright (C) 2004, 2006, 2007 Free Software Foundation, Inc. | |
4 | Written by Gary V. Vaughan, 2004 | |
5 | ||
6 | NOTE: The canonical source of this file is maintained with the | |
7 | GNU Libtool package. Report bugs to bug-libtool@gnu.org. | |
8 | ||
9 | GNU Libltdl is free software; you can redistribute it and/or | |
10 | modify it under the terms of the GNU Lesser General Public | |
11 | License as published by the Free Software Foundation; either | |
12 | version 2 of the License, or (at your option) any later version. | |
13 | ||
14 | As a special exception to the GNU Lesser General Public License, | |
15 | if you distribute this file as part of a program or library that | |
16 | is built using GNU Libtool, you may include this file under the | |
17 | same distribution terms that you use for the rest of that program. | |
18 | ||
19 | GNU Libltdl is distributed in the hope that it will be useful, | |
20 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | GNU Lesser General Public License for more details. | |
23 | ||
24 | You should have received a copy of the GNU Lesser General Public | |
25 | License along with GNU Libltdl; see the file COPYING.LIB. If not, a | |
26 | copy can be downloaded from http://www.gnu.org/licenses/lgpl.html, | |
27 | or obtained by writing to the Free Software Foundation, Inc., | |
28 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
29 | */ | |
30 | ||
31 | #include "lt__private.h" | |
32 | ||
33 | #include <stdio.h> | |
34 | ||
35 | #include "lt__alloc.h" | |
36 | ||
37 | static void alloc_die_default (void); | |
38 | ||
39 | void (*lt__alloc_die) (void) = alloc_die_default; | |
40 | ||
41 | /* Unless overridden, exit on memory failure. */ | |
42 | static void | |
43 | alloc_die_default (void) | |
44 | { | |
45 | fprintf (stderr, "Out of memory.\n"); | |
46 | exit (EXIT_FAILURE); | |
47 | } | |
48 | ||
49 | void * | |
50 | lt__malloc (size_t n) | |
51 | { | |
52 | void *mem; | |
53 | ||
54 | if (! (mem = malloc (n))) | |
55 | (*lt__alloc_die) (); | |
56 | ||
57 | return mem; | |
58 | } | |
59 | ||
60 | void * | |
61 | lt__zalloc (size_t n) | |
62 | { | |
63 | void *mem; | |
64 | ||
65 | if ((mem = lt__malloc (n))) | |
66 | memset (mem, 0, n); | |
67 | ||
68 | return mem; | |
69 | } | |
70 | ||
71 | void * | |
72 | lt__realloc (void *mem, size_t n) | |
73 | { | |
74 | if (! (mem = realloc (mem, n))) | |
75 | (*lt__alloc_die) (); | |
76 | ||
77 | return mem; | |
78 | } | |
79 | ||
80 | void * | |
81 | lt__memdup (void const *mem, size_t n) | |
82 | { | |
83 | void *newmem; | |
84 | ||
85 | if ((newmem = lt__malloc (n))) | |
86 | return memcpy (newmem, mem, n); | |
87 | ||
88 | return 0; | |
89 | } | |
90 | ||
91 | char * | |
92 | lt__strdup (const char *string) | |
93 | { | |
94 | return (char *) lt__memdup (string, strlen (string) +1); | |
95 | } |